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Spring snowstorm road conditions, I-70 reopens in Colorado's mountains

About 3 to 6 inches of snowfall fell in the Denver metro area through early Tuesday.

DENVER — A spring snowstorm came through the Denver metro area, bringing 3 to 6 inches of snowfall early Tuesday – which meant poor road conditions and a messy commute.

The Colorado Department of Transportation (CDOT) and the National Weather Service (NWS) in Boulder urged drivers to stay off the roads as conditions started to deteriorate. 

CDOT reported Interstate 70 had reopened shortly after midnight on Tuesday. Westbound lanes of the interstate, between Silverthorne and Morrison Road, were closed Monday evening due to safety concerns.

FORECAST: Full forecast
CLOSURES: Full list of closures

> Share your snow photos with us! Click on "Near Me" in the 9NEWS app or text them to 303-871-1491.

Keep up with the latest road conditions here:

Colorado chain and traction laws

The Colorado Department of Transportation (CDOT) urged travelers to be aware of chain and traction law codes before heading out on the roadway:

  • Code 18/Commercial Chain Law: Commercial vehicles and trucks must have chains. Vehicles without chains can often lose traction, causing traffic delays and sometimes road closures. For the safety of the traveling public, it's critical to use chains to comply with Colorado's chain law.
  • Code 15/Passenger Traction Law: All passenger vehicles must have appropriate all-weather tires with 3/16-inch depth. Vehicles must have one of the following: winter tires, tires with mud/snow (M+S) designation, chains or alternative traction devices such as an autosock. 4WD and AWD vehicles must have winter tires or all-weather tires.
  • Code 16/Passenger Chain Law: All passenger vehicles need chains, except for 4WD and AWD vehicles with all-weather tires with 3/16-inch tread depth.

For the latest traffic information, check out the 9NEWS Traffic Map